git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@2842 f3b2605a-c512-4ea7-a41b-209d697bcdaa

This commit is contained in:
sjplimp 2009-06-03 19:59:51 +00:00
parent 97e7724158
commit 482c0912d6
2 changed files with 26 additions and 19 deletions

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@ -367,13 +367,26 @@ on how to build the libraries themselves.
method potential, which is a generalization of EAM potentials that can method potential, which is a generalization of EAM potentials that can
be used to model a wider variety of materials. This MEAM be used to model a wider variety of materials. This MEAM
implementation was written by Greg Wagner at Sandia. It requires a implementation was written by Greg Wagner at Sandia. It requires a
F90 compiler to build. F90 compiler to build. The C++ to FORTRAN function calls in pair_meam.cpp
assumes that FORTRAN object names are converted to C object names by
appending an underscore character. This is generally the case, but
on machines that do not conform to this convention, you will need to
modify either the C++ code or your compiler settings.
</P> </P>
<P>The "reax" library in lib/reax computes the Reactive Force Field <P>The "reax" library in lib/reax computes the Reactive Force Field
(ReaxFF) potential, developed by Adri van Duin in Bill Goddard's group (ReaxFF) potential, developed by Adri van Duin in Bill Goddard's group
at CalTech. This implementation in LAMMPS uses many of Adri's files at CalTech. This implementation in LAMMPS uses many of Adri's files
and was developed by Aidan Thompson at Sandia and Hansohl Cho at MIT. and was developed by Aidan Thompson at Sandia and Hansohl Cho at MIT.
It requires a F77 or F90 compiler to build. It requires a F77 or F90 compiler to build.
The C++ to FORTRAN function calls in pair_reax.cpp
assume that FORTRAN object names are converted to C object names by
appending an underscore character. This is generally the case, but
on machines that do not conform to this convention, you will need to
modify either the C++ code or your compiler settings. The name conversion
is handled by the preprocessor macro called FORTRAN in pair_reax_fortran.h.
Different definitions of this macro can be obtained by adding a
machine-specific macro definition to the CCFLAGS variable in your Makefile
e.g. -D_IBM. See pair_reax_fortran.h for more info.
</P> </P>
<P>The "poems" library in lib/poems computes the constrained rigid-body <P>The "poems" library in lib/poems computes the constrained rigid-body
motion of articulated (jointed) multibody systems. POEMS was written motion of articulated (jointed) multibody systems. POEMS was written

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@ -29,13 +29,12 @@ pair_coeff * * ffield.reax C H O N
<P>The pair style computes the ReaxFF potential of van Duin, Goddard and <P>The pair style computes the ReaxFF potential of van Duin, Goddard and
co-workers. ReaxFF uses distance-dependent bond-order functions to co-workers. ReaxFF uses distance-dependent bond-order functions to
represent the contributions of chemical bonding to the potential represent the contributions of chemical bonding to the potential
energy. There is more than one version of ReaxFF. The version energy. There is more than one version of ReaxFF. The version implemented
implemented in LAMMPS uses the functional forms and parameters in LAMMPS uses the functional forms documented in the
documented in the supplemental information of the 2008 supplemental information of the following paper: <A HREF = "#Chenoweth_2008">(Chenoweth et al.,
<A HREF = "#Chenoweth">(Chenoweth)</A> paper. This functional form is essentialy 2008)</A>. The parameter values in
unchanged since the new terms and modifications presented in the 2005 the file ffield.reax provided with the ReaxFF examples are based on those
<A HREF = "#Strachan">(Strachan)</A> paper, but it is different than the earlier used in: <A HREF = "#Strachan_2005">(Strachan et al., 2005)</A>.
2003 <A HREF = "#vanDuin">(van Duin)</A> paper.
</P> </P>
<P>LAMMPS provides a ReaxFF potential file in its potentials dir, namely <P>LAMMPS provides a ReaxFF potential file in its potentials dir, namely
potentials/ffield.reax. Its format is identical to that used by van potentials/ffield.reax. Its format is identical to that used by van
@ -135,19 +134,14 @@ do this.
</P> </P>
<HR> <HR>
<A NAME = "Chenoweth"></A> <A NAME = "Chenoweth_2008"></A>
<P><B>(Chenoweth)</B> Chenoweth, van Duin, and Goddard III, <P><B>(Chenoweth)</B> Chenoweth, van Duin and Goddard III,
Journal of Physical Chemistry A, 112, 1040-1053 (2008). Journal of Physical Chemistry A, 112, 1040-1053 (2008).
</P> </P>
<A NAME = "Strachan"></A> <A NAME = "Strachan_2005"></A>
<P><B>(Strachan)</B> Strachan, Kober, van Duin, <P><B>(Strachan)</B> Strachan, Kober, van Duin, Oxgaard, and Goddard,
Journal of Chemical Physics, 122, 054502 (2005). Journal of Chemical Physics, 122, 054502 (2005).
</P>
<A NAME = "vanDuin"></A>
<P><B>(van Duin)</B> van Duin, Strachan, Stweman, et al
Journal of Physical Chemistry A, 107, 3803-3811 (2003).
</P> </P>
</HTML> </HTML>